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BLX-1K
BALANCED LINE DRIVER/RECEIVER

Professional A/V installers often encounter projects that require long cable runs, and the BLX-1K has been engineered as a premium, simple solution to efficiently address these challenges. The BLX-1K is a signal extender that sends and receives a fully balanced, noise-rejecting, analog audio signal up to 1000 feet over standard Cat5/6 cable.

Designed to be used in pairs at both ends of the signal path, each BLX-1K contains a 2-channel receive stage as well as a 2-channel transmit stage, enabling audio to travel in both directions across a span of standard Cat5/6. Once wired connections are made, the A/B button on one unit is pressed to reverse the signal path. Signal gain can then be set to complete the installation. The BLX-1K comes equipped with a 24 VAC transformer for easy connection and ultra-quiet performance.

The BLX-1K delivers a stout output of nearly 8 Volts RMS with an exceptionally low noise floor, providing a pure, crystal clear audio signal over long Ethernet runs—the ultimate problem-solver for A/V installers.

FEATURES

  • Send/receive high quality audio up to 1000 feet
  • High gain, low noise outputs
  • Simple connection with one-button setup
  • Supports standard Cat5/6 cable
  • Separate balanced line driver and receiver stages
  • Independent gain and attenuation controls
  • Ground lift option (when using shielded Cat5/6)
  • Integrated mounting brackets

SPECIFICATIONS

INPUTS
Unbalanced Inputs (RCA): 2
Unbalanced Input Impedance: 100 kΩ
Maximum Unbalanced Input Signal Level: 3.8 Vrms
Balanced Inputs (Cat5/6): 1 (2 channel)
Balanced Input Impedance: 200 kΩ
OUTPUTS
Unbalanced Outputs (RCA): 2
Unbalanced Output Impedance: 150 Ω
Maximum Unbalanced Output Signal Level: 7.5 Vrms max
Balanced Outputs (Cat5/6): 1 (2 channel)
Balanced Output Impedance: 150 Ω
Maximum Balanced Output Signal Level: 15 Vrms max
PERFORMANCE
Frequency Response: 20 Hz – 20 kHz, ± 1 dB
Signal to Noise: >100 dB (ref. full output =  7.5 Vrms)
Total Harmonic Distortion: 0.1%
Headroom: 8.5 dB
Channel Separation: 90 dB (1 kHz)
CMRR: >69.5 dB (1kHz)
GENERAL
Power Supply: 24 VAC
Current Draw: 50 mA
WEIGHT & DIMENSIONS
Dimensions: 6.2”W x 4.3”D x 1.0”D
Weight: 1.0lbs (0.5kg)
IN THE BOX
 BLX-1K, AC Adapter, Manual, Warranty

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  • Home
  • Audio
    • Immersive AV Processors
    • Immersive AV Receivers
    • Power Amplifiers
    • Subwoofer Amplifiers
    • Zone Amplifiers
    • Multi-zone Amplifiers
    • Network Amplifiers
    • 70 Volt Amplifiers
    • AV Signal Extenders
    • Dante Enabled Amplifiers & Encoders >
      • DIRECTOR MODEL M6800D
      • MODEL CM4-750D
      • MODEL CM3-750D
      • MODEL CM2-750D
      • 2CH Dante Encoder
      • 2CH Dante Decoder
  • SUPPORT
  • NEWS
  • CONTACT US